Hi,
Try the following to get rid of the DCOM error:
>Disable DCOM for NtmsSvc on Windows 2000.
1. From the Start and run Menu, type "dcomcnfg" , without the quotes.
2. Go to the Applications tab and select NtmsSvc, click Properties.
3. Go to the Location tab.
4. Unselect the option, Run application on this computer.
5. Click OK twice to save the changes.
>You can reboot the services and check.